<?php
    /** PHPExcel root directory */
    if (!defined('PHPEXCEL_ROOT')) {
        /**
         * @ignore
         */
        define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
        require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
    }

    /**
     * PHPExcel_Reader_Gnumeric
     * Copyright (c) 2006 - 2015 PHPExcel
     * This library is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 2.1 of the License, or (at your option) any later version.
     * This library is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     * You should have received a copy of the GNU Lesser General Public
     * License along with this library; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     * @category   PHPExcel
     * @package    PHPExcel_Reader
     * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
     * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
     * @version    ##VERSION##, ##DATE##
     */
    class PHPExcel_Reader_Gnumeric extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader {
        /**
         * Formats
         * @var array
         */
        private $styles = [];
        /**
         * Shared Expressions
         * @var array
         */
        private $expressions = [];
        private $referenceHelper = null;

        /**
         * Create a new PHPExcel_Reader_Gnumeric
         */
        public function __construct() {
            $this->readFilter      = new PHPExcel_Reader_DefaultReadFilter();
            $this->referenceHelper = PHPExcel_ReferenceHelper::getInstance();
        }

        /**
         * Can the current PHPExcel_Reader_IReader read the file?
         * @param     string $pFilename
         * @return     boolean
         * @throws PHPExcel_Reader_Exception
         */
        public function canRead($pFilename) {
            // Check if file exists
            if (!file_exists($pFilename)) {
                throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
            }
            // Check if gzlib functions are available
            if (!function_exists('gzread')) {
                throw new PHPExcel_Reader_Exception("gzlib library is not enabled");
            }
            // Read signature data (first 3 bytes)
            $fh   = fopen($pFilename, 'r');
            $data = fread($fh, 2);
            fclose($fh);
            if ($data != chr(0x1F) . chr(0x8B)) {
                return false;
            }
            return true;
        }

        /**
         * Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
         * @param     string $pFilename
         * @throws     PHPExcel_Reader_Exception
         */
        public function listWorksheetNames($pFilename) {
            // Check if file exists
            if (!file_exists($pFilename)) {
                throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
            }
            $xml = new XMLReader();
            $xml->xml($this->securityScanFile('compress.zlib://' . realpath($pFilename)), null, PHPExcel_Settings::getLibXmlLoaderOptions());
            $xml->setParserProperty(2, true);
            $worksheetNames = [];
            while ($xml->read()) {
                if ($xml->name == 'gnm:SheetName' && $xml->nodeType == XMLReader::ELEMENT) {
                    $xml->read();    //    Move onto the value node
                    $worksheetNames[] = (string)$xml->value;
                } elseif ($xml->name == 'gnm:Sheets') {
                    //    break out of the loop once we've got our sheet names rather than parse the entire file
                    break;
                }
            }
            return $worksheetNames;
        }

        /**
         * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
         * @param   string $pFilename
         * @throws   PHPExcel_Reader_Exception
         */
        public function listWorksheetInfo($pFilename) {
            // Check if file exists
            if (!file_exists($pFilename)) {
                throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
            }
            $xml = new XMLReader();
            $xml->xml($this->securityScanFile('compress.zlib://' . realpath($pFilename)), null, PHPExcel_Settings::getLibXmlLoaderOptions());
            $xml->setParserProperty(2, true);
            $worksheetInfo = [];
            while ($xml->read()) {
                if ($xml->name == 'gnm:Sheet' && $xml->nodeType == XMLReader::ELEMENT) {
                    $tmpInfo = [
                        'worksheetName'    => '',
                        'lastColumnLetter' => 'A',
                        'lastColumnIndex'  => 0,
                        'totalRows'        => 0,
                        'totalColumns'     => 0,
                    ];
                    while ($xml->read()) {
                        if ($xml->name == 'gnm:Name' && $xml->nodeType == XMLReader::ELEMENT) {
                            $xml->read();    //    Move onto the value node
                            $tmpInfo['worksheetName'] = (string)$xml->value;
                        } elseif ($xml->name == 'gnm:MaxCol' && $xml->nodeType == XMLReader::ELEMENT) {
                            $xml->read();    //    Move onto the value node
                            $tmpInfo['lastColumnIndex'] = (int)$xml->value;
                            $tmpInfo['totalColumns']    = (int)$xml->value + 1;
                        } elseif ($xml->name == 'gnm:MaxRow' && $xml->nodeType == XMLReader::ELEMENT) {
                            $xml->read();    //    Move onto the value node
                            $tmpInfo['totalRows'] = (int)$xml->value + 1;
                            break;
                        }
                    }
                    $tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);
                    $worksheetInfo[]             = $tmpInfo;
                }
            }
            return $worksheetInfo;
        }

        /**
         * Loads PHPExcel from file
         * @param     string $pFilename
         * @return     PHPExcel
         * @throws     PHPExcel_Reader_Exception
         */
        public function load($pFilename) {
            // Create new PHPExcel
            $objPHPExcel = new PHPExcel();
            // Load into this instance
            return $this->loadIntoExisting($pFilename, $objPHPExcel);
        }

        /**
         * Loads PHPExcel from file into PHPExcel instance
         * @param     string  $pFilename
         * @param    PHPExcel $objPHPExcel
         * @return     PHPExcel
         * @throws     PHPExcel_Reader_Exception
         */
        public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel) {
            // Check if file exists
            if (!file_exists($pFilename)) {
                throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
            }
            $timezoneObj = new DateTimeZone('Europe/London');
            $GMT         = new DateTimeZone('UTC');
            $gFileData = $this->gzfileGetContents($pFilename);
            //        echo '<pre>';
            //        echo htmlentities($gFileData,ENT_QUOTES,'UTF-8');
            //        echo '</pre><hr />';
            //
            $xml            = simplexml_load_string($this->securityScan($gFileData), 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());
            $namespacesMeta = $xml->getNamespaces(true);
            //        var_dump($namespacesMeta);
            //
            $gnmXML = $xml->children($namespacesMeta['gnm']);
            $docProps = $objPHPExcel->getProperties();
            //    Document Properties are held differently, depending on the version of Gnumeric
            if (isset($namespacesMeta['office'])) {
                $officeXML        = $xml->children($namespacesMeta['office']);
                $officeDocXML     = $officeXML->{'document-meta'};
                $officeDocMetaXML = $officeDocXML->meta;
                foreach ($officeDocMetaXML as $officePropertyData) {
                    $officePropertyDC = [];
                    if (isset($namespacesMeta['dc'])) {
                        $officePropertyDC = $officePropertyData->children($namespacesMeta['dc']);
                    }
                    foreach ($officePropertyDC as $propertyName => $propertyValue) {
                        $propertyValue = (string)$propertyValue;
                        switch ($propertyName) {
                            case 'title':
                                $docProps->setTitle(trim($propertyValue));
                                break;
                            case 'subject':
                                $docProps->setSubject(trim($propertyValue));
                                break;
                            case 'creator':
                                $docProps->setCreator(trim($propertyValue));
                                $docProps->setLastModifiedBy(trim($propertyValue));
                                break;
                            case 'date':
                                $creationDate = strtotime(trim($propertyValue));
                                $docProps->setCreated($creationDate);
                                $docProps->setModified($creationDate);
                                break;
                            case 'description':
                                $docProps->setDescription(trim($propertyValue));
                                break;
                        }
                    }
                    $officePropertyMeta = [];
                    if (isset($namespacesMeta['meta'])) {
                        $officePropertyMeta = $officePropertyData->children($namespacesMeta['meta']);
                    }
                    foreach ($officePropertyMeta as $propertyName => $propertyValue) {
                        $attributes    = $propertyValue->attributes($namespacesMeta['meta']);
                        $propertyValue = (string)$propertyValue;
                        switch ($propertyName) {
                            case 'keyword':
                                $docProps->setKeywords(trim($propertyValue));
                                break;
                            case 'initial-creator':
                                $docProps->setCreator(trim($propertyValue));
                                $docProps->setLastModifiedBy(trim($propertyValue));
                                break;
                            case 'creation-date':
                                $creationDate = strtotime(trim($propertyValue));
                                $docProps->setCreated($creationDate);
                                $docProps->setModified($creationDate);
                                break;
                            case 'user-defined':
                                list(, $attrName) = explode(':', $attributes['name']);
                                switch ($attrName) {
                                    case 'publisher':
                                        $docProps->setCompany(trim($propertyValue));
                                        break;
                                    case 'category':
                                        $docProps->setCategory(trim($propertyValue));
                                        break;
                                    case 'manager':
                                        $docProps->setManager(trim($propertyValue));
                                        break;
                                }
                                break;
                        }
                    }
                }
            } elseif (isset($gnmXML->Summary)) {
                foreach ($gnmXML->Summary->Item as $summaryItem) {
                    $propertyName  = $summaryItem->name;
                    $propertyValue = $summaryItem->{'val-string'};
                    switch ($propertyName) {
                        case 'title':
                            $docProps->setTitle(trim($propertyValue));
                            break;
                        case 'comments':
                            $docProps->setDescription(trim($propertyValue));
                            break;
                        case 'keywords':
                            $docProps->setKeywords(trim($propertyValue));
                            break;
                        case 'category':
                            $docProps->setCategory(trim($propertyValue));
                            break;
                        case 'manager':
                            $docProps->setManager(trim($propertyValue));
                            break;
                        case 'author':
                            $docProps->setCreator(trim($propertyValue));
                            $docProps->setLastModifiedBy(trim($propertyValue));
                            break;
                        case 'company':
                            $docProps->setCompany(trim($propertyValue));
                            break;
                    }
                }
            }
            $worksheetID = 0;
            foreach ($gnmXML->Sheets->Sheet as $sheet) {
                $worksheetName = (string)$sheet->Name;
                //            echo '<b>Worksheet: ', $worksheetName,'</b><br />';
                if ((isset($this->loadSheetsOnly)) && (!in_array($worksheetName, $this->loadSheetsOnly))) {
                    continue;
                }
                $maxRow = $maxCol = 0;
                // Create new Worksheet
                $objPHPExcel->createSheet();
                $objPHPExcel->setActiveSheetIndex($worksheetID);
                //    Use false for $updateFormulaCellReferences to prevent adjustment of worksheet references in formula
                //        cells... during the load, all formulae should be correct, and we're simply bringing the worksheet
                //        name in line with the formula, not the reverse
                $objPHPExcel->getActiveSheet()->setTitle($worksheetName, false);
                if ((!$this->readDataOnly) && (isset($sheet->PrintInformation))) {
                    if (isset($sheet->PrintInformation->Margins)) {
                        foreach ($sheet->PrintInformation->Margins->children('gnm', true) as $key => $margin) {
                            $marginAttributes = $margin->attributes();
                            $marginSize       = 72 / 100;    //    Default
                            switch ($marginAttributes['PrefUnit']) {
                                case 'mm':
                                    $marginSize = intval($marginAttributes['Points']) / 100;
                                    break;
                            }
                            switch ($key) {
                                case 'top':
                                    $objPHPExcel->getActiveSheet()->getPageMargins()->setTop($marginSize);
                                    break;
                                case 'bottom':
                                    $objPHPExcel->getActiveSheet()->getPageMargins()->setBottom($marginSize);
                                    break;
                                case 'left':
                                    $objPHPExcel->getActiveSheet()->getPageMargins()->setLeft($marginSize);
                                    break;
                                case 'right':
                                    $objPHPExcel->getActiveSheet()->getPageMargins()->setRight($marginSize);
                                    break;
                                case 'header':
                                    $objPHPExcel->getActiveSheet()->getPageMargins()->setHeader($marginSize);
                                    break;
                                case 'footer':
                                    $objPHPExcel->getActiveSheet()->getPageMargins()->setFooter($marginSize);
                                    break;
                            }
                        }
                    }
                }
                foreach ($sheet->Cells->Cell as $cell) {
                    $cellAttributes = $cell->attributes();
                    $row            = (int)$cellAttributes->Row + 1;
                    $column         = (int)$cellAttributes->Col;
                    if ($row > $maxRow) {
                        $maxRow = $row;
                    }
                    if ($column > $maxCol) {
                        $maxCol = $column;
                    }
                    $column = PHPExcel_Cell::stringFromColumnIndex($column);
                    // Read cell?
                    if ($this->getReadFilter() !== null) {
                        if (!$this->getReadFilter()->readCell($column, $row, $worksheetName)) {
                            continue;
                        }
                    }
                    $ValueType = $cellAttributes->ValueType;
                    $ExprID    = (string)$cellAttributes->ExprID;
                    //                echo 'Cell ', $column, $row,'<br />';
                    //                echo 'Type is ', $ValueType,'<br />';
                    //                echo 'Value is ', $cell,'<br />';
                    $type = PHPExcel_Cell_DataType::TYPE_FORMULA;
                    if ($ExprID > '') {
                        if (((string)$cell) > '') {
                            $this->expressions[$ExprID] = [
                                'column'  => $cellAttributes->Col,
                                'row'     => $cellAttributes->Row,
                                'formula' => (string)$cell
                            ];
                            //                        echo 'NEW EXPRESSION ', $ExprID,'<br />';
                        } else {
                            $expression = $this->expressions[$ExprID];
                            $cell = $this->referenceHelper->updateFormulaReferences($expression['formula'], 'A1', $cellAttributes->Col - $expression['column'], $cellAttributes->Row - $expression['row'], $worksheetName
                            );
                            //                        echo 'SHARED EXPRESSION ', $ExprID,'<br />';
                            //                        echo 'New Value is ', $cell,'<br />';
                        }
                        $type = PHPExcel_Cell_DataType::TYPE_FORMULA;
                    } else {
                        switch ($ValueType) {
                            case '10':        //    NULL
                                $type = PHPExcel_Cell_DataType::TYPE_NULL;
                                break;
                            case '20':        //    Boolean
                                $type = PHPExcel_Cell_DataType::TYPE_BOOL;
                                $cell = ($cell == 'TRUE') ? true : false;
                                break;
                            case '30':        //    Integer
                                $cell = intval($cell);
                            // Excel 2007+ doesn't differentiate between integer and float, so set the value and dropthru to the next (numeric) case
                            case '40':        //    Float
                                $type = PHPExcel_Cell_DataType::TYPE_NUMERIC;
                                break;
                            case '50':        //    Error
                                $type = PHPExcel_Cell_DataType::TYPE_ERROR;
                                break;
                            case '60':        //    String
                                $type = PHPExcel_Cell_DataType::TYPE_STRING;
                                break;
                            case '70':        //    Cell Range
                            case '80':        //    Array
                        }
                    }
                    $objPHPExcel->getActiveSheet()->getCell($column . $row)->setValueExplicit($cell, $type);
                }
                if ((!$this->readDataOnly) && (isset($sheet->Objects))) {
                    foreach ($sheet->Objects->children('gnm', true) as $key => $comment) {
                        $commentAttributes = $comment->attributes();
                        //    Only comment objects are handled at the moment
                        if ($commentAttributes->Text) {
                            $objPHPExcel->getActiveSheet()
                                        ->getComment((string)$commentAttributes->ObjectBound)
                                        ->setAuthor((string)$commentAttributes->Author)
                                        ->setText($this->parseRichText((string)$commentAttributes->Text));
                        }
                    }
                }
                //            echo '$maxCol=', $maxCol,'; $maxRow=', $maxRow,'<br />';
                //
                foreach ($sheet->Styles->StyleRegion as $styleRegion) {
                    $styleAttributes = $styleRegion->attributes();
                    if (($styleAttributes['startRow'] <= $maxRow) && ($styleAttributes['startCol'] <= $maxCol)) {
                        $startColumn = PHPExcel_Cell::stringFromColumnIndex((int)$styleAttributes['startCol']);
                        $startRow    = $styleAttributes['startRow'] + 1;
                        $endColumn = ($styleAttributes['endCol'] > $maxCol) ? $maxCol : (int)$styleAttributes['endCol'];
                        $endColumn = PHPExcel_Cell::stringFromColumnIndex($endColumn);
                        $endRow    = ($styleAttributes['endRow'] > $maxRow) ? $maxRow : $styleAttributes['endRow'];
                        $endRow    += 1;
                        $cellRange = $startColumn . $startRow . ':' . $endColumn . $endRow;
                        //                    echo $cellRange,'<br />';
                        $styleAttributes = $styleRegion->Style->attributes();
                        //                    var_dump($styleAttributes);
                        //                    echo '<br />';
                        //    We still set the number format mask for date/time values, even if readDataOnly is true
                        if ((!$this->readDataOnly) || (PHPExcel_Shared_Date::isDateTimeFormatCode((string)$styleAttributes['Format']))) {
                            $styleArray                         = [];
                            $styleArray['numberformat']['code'] = (string)$styleAttributes['Format'];
                            //    If readDataOnly is false, we set all formatting information
                            if (!$this->readDataOnly) {
                                switch ($styleAttributes['HAlign']) {
                                    case '1':
                                        $styleArray['alignment']['horizontal'] = PHPExcel_Style_Alignment::HORIZONTAL_GENERAL;
                                        break;
                                    case '2':
                                        $styleArray['alignment']['horizontal'] = PHPExcel_Style_Alignment::HORIZONTAL_LEFT;
                                        break;
                                    case '4':
                                        $styleArray['alignment']['horizontal'] = PHPExcel_Style_Alignment::HORIZONTAL_RIGHT;
                                        break;
                                    case '8':
                                        $styleArray['alignment']['horizontal'] = PHPExcel_Style_Alignment::HORIZONTAL_CENTER;
                                        break;
                                    case '16':
                                    case '64':
                                        $styleArray['alignment']['horizontal'] = PHPExcel_Style_Alignment::HORIZONTAL_CENTER_CONTINUOUS;
                                        break;
                                    case '32':
                                        $styleArray['alignment']['horizontal'] = PHPExcel_Style_Alignment::HORIZONTAL_JUSTIFY;
                                        break;
                                }
                                switch ($styleAttributes['VAlign']) {
                                    case '1':
                                        $styleArray['alignment']['vertical'] = PHPExcel_Style_Alignment::VERTICAL_TOP;
                                        break;
                                    case '2':
                                        $styleArray['alignment']['vertical'] = PHPExcel_Style_Alignment::VERTICAL_BOTTOM;
                                        break;
                                    case '4':
                                        $styleArray['alignment']['vertical'] = PHPExcel_Style_Alignment::VERTICAL_CENTER;
                                        break;
                                    case '8':
                                        $styleArray['alignment']['vertical'] = PHPExcel_Style_Alignment::VERTICAL_JUSTIFY;
                                        break;
                                }
                                $styleArray['alignment']['wrap']        = ($styleAttributes['WrapText'] == '1') ? true : false;
                                $styleArray['alignment']['shrinkToFit'] = ($styleAttributes['ShrinkToFit'] == '1') ? true : false;
                                $styleArray['alignment']['indent']      = (intval($styleAttributes["Indent"]) > 0) ? $styleAttributes["indent"] : 0;
                                $RGB                                = self::parseGnumericColour($styleAttributes["Fore"]);
                                $styleArray['font']['color']['rgb'] = $RGB;
                                $RGB                                = self::parseGnumericColour($styleAttributes["Back"]);
                                $shade                              = $styleAttributes["Shade"];
                                if (($RGB != '000000') || ($shade != '0')) {
                                    $styleArray['fill']['color']['rgb']    = $styleArray['fill']['startcolor']['rgb'] = $RGB;
                                    $RGB2                                  = self::parseGnumericColour($styleAttributes["PatternColor"]);
                                    $styleArray['fill']['endcolor']['rgb'] = $RGB2;
                                    switch ($shade) {
                                        case '1':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_SOLID;
                                            break;
                                        case '2':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_GRADIENT_LINEAR;
                                            break;
                                        case '3':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_GRADIENT_PATH;
                                            break;
                                        case '4':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_DARKDOWN;
                                            break;
                                        case '5':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_DARKGRAY;
                                            break;
                                        case '6':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_DARKGRID;
                                            break;
                                        case '7':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_DARKHORIZONTAL;
                                            break;
                                        case '8':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_DARKTRELLIS;
                                            break;
                                        case '9':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_DARKUP;
                                            break;
                                        case '10':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_DARKVERTICAL;
                                            break;
                                        case '11':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_GRAY0625;
                                            break;
                                        case '12':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_GRAY125;
                                            break;
                                        case '13':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_LIGHTDOWN;
                                            break;
                                        case '14':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_LIGHTGRAY;
                                            break;
                                        case '15':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_LIGHTGRID;
                                            break;
                                        case '16':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_LIGHTHORIZONTAL;
                                            break;
                                        case '17':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_LIGHTTRELLIS;
                                            break;
                                        case '18':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_LIGHTUP;
                                            break;
                                        case '19':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_LIGHTVERTICAL;
                                            break;
                                        case '20':
                                            $styleArray['fill']['type'] = PHPExcel_Style_Fill::FILL_PATTERN_MEDIUMGRAY;
                                            break;
                                    }
                                }
                                $fontAttributes = $styleRegion->Style->Font->attributes();
                                //                            var_dump($fontAttributes);
                                //                            echo '<br />';
                                $styleArray['font']['name']   = (string)$styleRegion->Style->Font;
                                $styleArray['font']['size']   = intval($fontAttributes['Unit']);
                                $styleArray['font']['bold']   = ($fontAttributes['Bold'] == '1') ? true : false;
                                $styleArray['font']['italic'] = ($fontAttributes['Italic'] == '1') ? true : false;
                                $styleArray['font']['strike'] = ($fontAttributes['StrikeThrough'] == '1') ? true : false;
                                switch ($fontAttributes['Underline']) {
                                    case '1':
                                        $styleArray['font']['underline'] = PHPExcel_Style_Font::UNDERLINE_SINGLE;
                                        break;
                                    case '2':
                                        $styleArray['font']['underline'] = PHPExcel_Style_Font::UNDERLINE_DOUBLE;
                                        break;
                                    case '3':
                                        $styleArray['font']['underline'] = PHPExcel_Style_Font::UNDERLINE_SINGLEACCOUNTING;
                                        break;
                                    case '4':
                                        $styleArray['font']['underline'] = PHPExcel_Style_Font::UNDERLINE_DOUBLEACCOUNTING;
                                        break;
                                    default:
                                        $styleArray['font']['underline'] = PHPExcel_Style_Font::UNDERLINE_NONE;
                                        break;
                                }
                                switch ($fontAttributes['Script']) {
                                    case '1':
                                        $styleArray['font']['superScript'] = true;
                                        break;
                                    case '-1':
                                        $styleArray['font']['subScript'] = true;
                                        break;
                                }
                                if (isset($styleRegion->Style->StyleBorder)) {
                                    if (isset($styleRegion->Style->StyleBorder->Top)) {
                                        $styleArray['borders']['top'] = self::parseBorderAttributes($styleRegion->Style->StyleBorder->Top->attributes());
                                    }
                                    if (isset($styleRegion->Style->StyleBorder->Bottom)) {
                                        $styleArray['borders']['bottom'] = self::parseBorderAttributes($styleRegion->Style->StyleBorder->Bottom->attributes());
                                    }
                                    if (isset($styleRegion->Style->StyleBorder->Left)) {
                                        $styleArray['borders']['left'] = self::parseBorderAttributes($styleRegion->Style->StyleBorder->Left->attributes());
                                    }
                                    if (isset($styleRegion->Style->StyleBorder->Right)) {
                                        $styleArray['borders']['right'] = self::parseBorderAttributes($styleRegion->Style->StyleBorder->Right->attributes());
                                    }
                                    if ((isset($styleRegion->Style->StyleBorder->Diagonal)) && (isset($styleRegion->Style->StyleBorder->{'Rev-Diagonal'}))) {
                                        $styleArray['borders']['diagonal']          = self::parseBorderAttributes($styleRegion->Style->StyleBorder->Diagonal->attributes());
                                        $styleArray['borders']['diagonaldirection'] = PHPExcel_Style_Borders::DIAGONAL_BOTH;
                                    } elseif (isset($styleRegion->Style->StyleBorder->Diagonal)) {
                                        $styleArray['borders']['diagonal']          = self::parseBorderAttributes($styleRegion->Style->StyleBorder->Diagonal->attributes());
                                        $styleArray['borders']['diagonaldirection'] = PHPExcel_Style_Borders::DIAGONAL_UP;
                                    } elseif (isset($styleRegion->Style->StyleBorder->{'Rev-Diagonal'})) {
                                        $styleArray['borders']['diagonal']          = self::parseBorderAttributes($styleRegion->Style->StyleBorder->{'Rev-Diagonal'}->attributes());
                                        $styleArray['borders']['diagonaldirection'] = PHPExcel_Style_Borders::DIAGONAL_DOWN;
                                    }
                                }
                                if (isset($styleRegion->Style->HyperLink)) {
                                    //    TO DO
                                    $hyperlink = $styleRegion->Style->HyperLink->attributes();
                                }
                            }
                            //                        var_dump($styleArray);
                            //                        echo '<br />';
                            $objPHPExcel->getActiveSheet()->getStyle($cellRange)->applyFromArray($styleArray);
                        }
                    }
                }
                if ((!$this->readDataOnly) && (isset($sheet->Cols))) {
                    //    Column Widths
                    $columnAttributes = $sheet->Cols->attributes();
                    $defaultWidth     = $columnAttributes['DefaultSizePts'] / 5.4;
                    $c                = 0;
                    foreach ($sheet->Cols->ColInfo as $columnOverride) {
                        $columnAttributes = $columnOverride->attributes();
                        $column           = $columnAttributes['No'];
                        $columnWidth      = $columnAttributes['Unit'] / 5.4;
                        $hidden           = ((isset($columnAttributes['Hidden'])) && ($columnAttributes['Hidden'] == '1')) ? true : false;
                        $columnCount      = (isset($columnAttributes['Count'])) ? $columnAttributes['Count'] : 1;
                        while ($c < $column) {
                            $objPHPExcel->getActiveSheet()->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($c))->setWidth($defaultWidth);
                            ++$c;
                        }
                        while (($c < ($column + $columnCount)) && ($c <= $maxCol)) {
                            $objPHPExcel->getActiveSheet()->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($c))->setWidth($columnWidth);
                            if ($hidden) {
                                $objPHPExcel->getActiveSheet()->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($c))->setVisible(false);
                            }
                            ++$c;
                        }
                    }
                    while ($c <= $maxCol) {
                        $objPHPExcel->getActiveSheet()->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($c))->setWidth($defaultWidth);
                        ++$c;
                    }
                }
                if ((!$this->readDataOnly) && (isset($sheet->Rows))) {
                    //    Row Heights
                    $rowAttributes = $sheet->Rows->attributes();
                    $defaultHeight = $rowAttributes['DefaultSizePts'];
                    $r             = 0;
                    foreach ($sheet->Rows->RowInfo as $rowOverride) {
                        $rowAttributes = $rowOverride->attributes();
                        $row           = $rowAttributes['No'];
                        $rowHeight     = $rowAttributes['Unit'];
                        $hidden        = ((isset($rowAttributes['Hidden'])) && ($rowAttributes['Hidden'] == '1')) ? true : false;
                        $rowCount      = (isset($rowAttributes['Count'])) ? $rowAttributes['Count'] : 1;
                        while ($r < $row) {
                            ++$r;
                            $objPHPExcel->getActiveSheet()->getRowDimension($r)->setRowHeight($defaultHeight);
                        }
                        while (($r < ($row + $rowCount)) && ($r < $maxRow)) {
                            ++$r;
                            $objPHPExcel->getActiveSheet()->getRowDimension($r)->setRowHeight($rowHeight);
                            if ($hidden) {
                                $objPHPExcel->getActiveSheet()->getRowDimension($r)->setVisible(false);
                            }
                        }
                    }
                    while ($r < $maxRow) {
                        ++$r;
                        $objPHPExcel->getActiveSheet()->getRowDimension($r)->setRowHeight($defaultHeight);
                    }
                }
                //    Handle Merged Cells in this worksheet
                if (isset($sheet->MergedRegions)) {
                    foreach ($sheet->MergedRegions->Merge as $mergeCells) {
                        if (strpos($mergeCells, ':') !== false) {
                            $objPHPExcel->getActiveSheet()->mergeCells($mergeCells);
                        }
                    }
                }
                $worksheetID++;
            }
            //    Loop through definedNames (global named ranges)
            if (isset($gnmXML->Names)) {
                foreach ($gnmXML->Names->Name as $namedRange) {
                    $name  = (string)$namedRange->name;
                    $range = (string)$namedRange->value;
                    if (stripos($range, '#REF!') !== false) {
                        continue;
                    }
                    $range    = explode('!', $range);
                    $range[0] = trim($range[0], "'");
                    if ($worksheet = $objPHPExcel->getSheetByName($range[0])) {
                        $extractedRange = str_replace('$', '', $range[1]);
                        $objPHPExcel->addNamedRange(new PHPExcel_NamedRange($name, $worksheet, $extractedRange));
                    }
                }
            }
            // Return
            return $objPHPExcel;
        }

        private function gzfileGetContents($filename) {
            $file = @gzopen($filename, 'rb');
            if ($file !== false) {
                $data = '';
                while (!gzeof($file)) {
                    $data .= gzread($file, 1024);
                }
                gzclose($file);
            }
            return $data;
        }

        private function parseRichText($is = '') {
            $value = new PHPExcel_RichText();
            $value->createText($is);
            return $value;
        }

        private static function parseGnumericColour($gnmColour) {
            list($gnmR, $gnmG, $gnmB) = explode(':', $gnmColour);
            $gnmR = substr(str_pad($gnmR, 4, '0', STR_PAD_RIGHT), 0, 2);
            $gnmG = substr(str_pad($gnmG, 4, '0', STR_PAD_RIGHT), 0, 2);
            $gnmB = substr(str_pad($gnmB, 4, '0', STR_PAD_RIGHT), 0, 2);
            return $gnmR . $gnmG . $gnmB;
        }

        private static function parseBorderAttributes($borderAttributes) {
            $styleArray = [];
            if (isset($borderAttributes["Color"])) {
                $styleArray['color']['rgb'] = self::parseGnumericColour($borderAttributes["Color"]);
            }
            switch ($borderAttributes["Style"]) {
                case '0':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_NONE;
                    break;
                case '1':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_THIN;
                    break;
                case '2':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_MEDIUM;
                    break;
                case '3':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_SLANTDASHDOT;
                    break;
                case '4':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_DASHED;
                    break;
                case '5':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_THICK;
                    break;
                case '6':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_DOUBLE;
                    break;
                case '7':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_DOTTED;
                    break;
                case '8':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_MEDIUMDASHED;
                    break;
                case '9':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_DASHDOT;
                    break;
                case '10':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_MEDIUMDASHDOT;
                    break;
                case '11':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_DASHDOTDOT;
                    break;
                case '12':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_MEDIUMDASHDOTDOT;
                    break;
                case '13':
                    $styleArray['style'] = PHPExcel_Style_Border::BORDER_MEDIUMDASHDOTDOT;
                    break;
            }
            return $styleArray;
        }
    }
